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authorbors <bors@rust-lang.org>2018-05-08 14:45:16 +0000
committerbors <bors@rust-lang.org>2018-05-08 14:45:16 +0000
commitc166b0386888b253313e1e7e982a2a06cadaac8b (patch)
treed15d462362c9be390bfe8bd16455c73d34233c90 /src/liballoc/string.rs
parentb183bd0ad40b0188fc242bfb9f68a0cf1704dbd9 (diff)
parent939c25a522ddeaae60f905c787a1f28ceb5d7ee8 (diff)
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Auto merge of #50497 - RalfJung:pinmut, r=withoutboats
Rename Pin to PinMut, and some more breaking changes

As discussed at [1] ยง3 and [2] and [3], a formal look at pinning requires considering a distinguished "shared pinned" mode/typestate.  Given that, it seems desirable to at least eventually actually expose that typestate as a reference type.  This renames Pin to PinMut, freeing the name Pin in case we want to use it for a shared pinned reference later on.

[1] https://www.ralfj.de/blog/2018/04/10/safe-intrusive-collections-with-pinning.html
[2] https://github.com/rust-lang/rfcs/pull/2349#issuecomment-379250361
[3] https://github.com/rust-lang/rust/issues/49150#issuecomment-380488275

Cc @withoutboats
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